

French type Overflow Valve DESEINOR DSSY-YLF40 is an aluminum alloy anti-siphon and overflow pressure relief safety valve for fuel storage, transportation and fueling systems.






French type Overflow Valve – DESEINOR DSSY-YLF40 overflow valve is a safety protection valve supporting oil & gas storage and transportation as well as fueling systems.
It is mainly used for pipeline anti-siphon and overflow pressure relief protection. It can effectively prevent self-flow leakage of medium in storage tanks caused by siphon effect, and automatically perform overflow pressure relief when pipeline overpressure occurs, ensuring safe and stable operation of the entire fuel conveying system.
The valve body is made of aluminum alloy, featuring high overall strength, light weight and corrosion resistance to refined oil media. Equipped with a built-in precision diaphragm driving structure, it delivers sensitive response and stable opening & closing performance. With threaded connection for easy installation, it is compatible with fuel pipelines and storage tanks, and widely applied to skid-mounted stations, oil tank conveying pipelines and process pipelines of gas stations.
Product Name | French type Overflow Valve | Application | Fuel Station Accessories |
Model Number | DSSY-YLF40 | Drive Method | Diaphragm Type |
Material | Aluminum Alloy | Function | Anti-siphon blocking and overpressure overflow pressure relief |
Size | DN40 | Open Pressure | 0.02~0.05MPa |
Brand Name | DESEINOR | temperature range
| -40℃~70℃ |
Place of Origin | China |
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Packing Size | |||
L*W*H(CM) | 27*19*17 | ||
QTY/CTN | 1PCS/CTN | ||
N.W(KGS) | 4.5KGS | ||